Update the org's KB role→clearance map and/or classification mode

curl --request PUT \
  --url https://api-sandbox.featherhq.com/v1/knowledge-base/acl/config \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "role_clearance_map": {},
  "role_audience_map": {}
}
'

{
  "role_clearance_map": {},
  "role_audience_map": {},
  "classification_mode": "<string>"
}